The search was on for a synthetic fiber. By 1934, Carothers had a promising development: He combined the chemicals amine, hexamethylene diamine, and adipic acid. It created fibers! But they were weak.

This is the point where DAO supplements come in handy. DAO, or diamine oxidase, is an enzyme that breaks down histamine in the body. Taking a DAO supplement can help alleviate symptoms of ...

ACDS tapped toluene-2,5-diamine sulfate for its dual nature as both an allergen and an alternative to other compounds.

The team has developed a new way to make a special kind of molecule called a ‘chiral vicinal diamine’. A general, practical, convenient, and enantioselective synthesis of chiral vicinal diamines is ...